docs(self-host): add in prebuilt docker image #42

	# This workflow will build a golang project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

	name: Go

	on:
	push:
	branches: ['dev']
	pull_request:
	branches: ['dev']

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	version: [1.16, 1.17, '1.20.0']
	steps:
	- uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.version }}

	- name: Setup modules
	run: go mod tidy

	- name: Test
	run: go test -v ./resolver

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